As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WX RADAR, SHOWS STROBES AND FILLS DISPLAY WITH A GRAINY RETURN. DISPLAYS APPARENT GROUND RETURNS FROM WELL OVER HORIZON. THE TEST "TEST" IS OK. COULD NOT DUPLICATE MALFUNCTION REPLACED WX RDR R T PRECAUTIONARY PER MM 34 43 41 FUNCTIONS NML.